Keying device.



0,. G. BEACH.

KEYING DEVIGE.

APPLICATION FILED DBO. 9, 1909.

Patented Sept. 30, 1913.

MM/fw@ UNITED sTATEs PATENT oEEICE..

OSCAR C. BEACH, OF LOS ANGELES, CALIFORNIA, ASSIG-NOR TO FREDERICK W. BRAUN,

OF LOS ANGELES, CALIFORNIA.

KEYSING DEVICE.

To a?! whom it may concern.'

Be it known that I, OSCAR C. BEACH, a

citizen of the United States, residing at Los Angeles, in the county of Los Angeles and State of California, have invented a new and useful Keying Device, of which the following is a specification.

This invention relates to a keying device especially adapted for disk pulverizers and the object is to provide a novel means for detachably securing the revolving disk to its shaft.

. Figure 1 is a longitudinal vertical section with the parts all in operative position. Fig. 2 is a plan view in detail of the disk supporting head.

Carried on shaft 7 is a head 19 which is formedl with an annular groove 2O Which receives an undercut ange 21 with a beveled edge formed on the rotating disk 1. Set screws 22 in the head 19 engage the undercut ange 21- and hold the disk 1 from slipp ing out, vvhile a pin 23 in the head 19 en- Specicaton of Letters Patent.

,my handat Los Angeles,

Patented Sept. 30, 1913.

Application led December 9, 1909. Serial No. 532,267.

a coupling comprising I extending through said head and engaging the beveled edge of said flange, and a pin extending from said head into thel body of said ange.

In testimony whereof, I have hereunto set California, this 27 day of November 1909.

OSCAR C. BEACH.

In presence of;

J. A. HANLEY, H. D. MACKINNON. 

